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Copyright 2008 The Closure Library Authors. All Rights Reserved.

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<title>Closure Unit Tests - goog.demos.editor.HelloWorldDialog</title>
<script src="../../base.js"></script>
<script src="deps.js"></script>
<script>
  goog.require('goog.demos.editor.HelloWorldDialog');
  goog.require('goog.demos.editor.HelloWorldDialog.OkEvent');
  goog.require('goog.dom.DomHelper');
  goog.require('goog.events.EventHandler');
  goog.require('goog.testing.LooseMock');
  goog.require('goog.testing.events');
  goog.require('goog.testing.jsunit');
  goog.require('goog.testing.mockmatchers.ArgumentMatcher');
  goog.require('goog.ui.editor.AbstractDialog.EventType');
</script>
<link rel="stylesheet" href="../css/dialog.css"/>
</head>
<body>
<script>

  var dialog;
  var mockOkHandler;

  var CUSTOM_MESSAGE = 'Hello, cruel world...';

  function setUp() {
    mockOkHandler = new goog.testing.LooseMock(goog.events.EventHandler);
  }

  function tearDown() {
    dialog.dispose();
  }

  /**
   * Creates and shows the dialog to be tested.
   */
  function createAndShow() {
    dialog = new goog.demos.editor.HelloWorldDialog(new goog.dom.DomHelper());
    dialog.addEventListener(goog.ui.editor.AbstractDialog.EventType.OK,
                            mockOkHandler);
    dialog.show();
  }

  /**
   * Sets up the mock event handler to expect an OK event with the given
   * message.
   * @param {string} message Hello world message the OK event is expected to
   *     carry.
   */
  function expectOk(message) {
    mockOkHandler.handleEvent(new goog.testing.mockmatchers.ArgumentMatcher(
        function(arg) {
          return arg.type == goog.ui.editor.AbstractDialog.EventType.OK &&
                 arg.message == message;
        }));
  }

  /**
   * Tests that when you show the dialog, the input field has the correct
   * sample text in it.
   */
  function testShow() {
    mockOkHandler.$replay();
    createAndShow();

    assertEquals('Input field has incorrect sample text',
                 'Hello, world!',
                 dialog.input_.value);
    mockOkHandler.$verify();
  }

  /**
   * Tests that clicking OK dispatches an event carying the entered message.
   */
  function testOk() {
    expectOk(CUSTOM_MESSAGE);
    mockOkHandler.$replay();
    createAndShow();

    dialog.input_.value = CUSTOM_MESSAGE;
    goog.testing.events.fireClickSequence(dialog.getOkButtonElement());

    mockOkHandler.$verify(); // Verifies OK is dispatched with correct message.
  }

</script>
</body>
</html>
